Sergei Egorov (it must be him) has made an analysis of a column of Aldine text that seems to correlate with Peter Burnhill’s findings in Type spaces.
For a long time I toyed with the idea of applying Fourier analysis to a typographic page. It seemed to me that certain hard-to-define visual qualities of a perfectly set page can be revealed and perhaps even measured by taking a close look at its Fourier spectrum. It remained just an idea until I came across the wonderful Peter Burnhill’s book on Aldine typography, which contained a very detailed analysis of typographic norms and page geometry. My interest in the subject renewed, and I realized that I had everything I needed to go ahead and try my idea out.
For the full account, see here.